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/* Common declarations for LTO plugin for gold and/or GNU ld.
Copyright (C) 2009, 2010 Free Software Foundation, Inc.
Contributed by Rafael Avila de Espindola (espindola@google.com).
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include <stdbool.h>
#include "plugin-api.h"
/* LTO magic section name. */
#define LTO_SECTION_PREFIX ".gnu.lto_.symtab"
/* The part of the symbol table the plugin has to keep track of. Note that we
must keep SYMS until all_symbols_read is called to give the linker time to
copy the symbol information. */
struct sym_aux
{
uint32_t slot;
unsigned id;
unsigned next_conflict;
};
struct plugin_symtab
{
int nsyms;
struct sym_aux *aux;
struct ld_plugin_symbol *syms;
unsigned id;
};
/* All that we have to remember about a file. */
struct plugin_file_info
{
char *name;
void *handle;
struct plugin_symtab symtab;
struct plugin_symtab conflicts;
};
/* These are the methods supplied by one of the object format
dependent files lto-plugin-elf.c or lto-plugin-coff.c */
extern enum ld_plugin_status claim_file_handler
(const struct ld_plugin_input_file *file, int *claimed);
extern enum ld_plugin_status onload_format_checks (struct ld_plugin_tv *tv);
/* These methods are made available to the object format
dependent files. */
extern void check (bool gate, enum ld_plugin_level level, const char *text);
extern void translate (char *data, char *end, struct plugin_symtab *out);
extern char *parse_table_entry (char *p, struct ld_plugin_symbol *entry,
struct sym_aux *aux);
extern void resolve_conflicts (struct plugin_symtab *t,
struct plugin_symtab *conflicts);
/* And this callback function is exposed. */
extern ld_plugin_add_symbols add_symbols;
/* Along with these two variables. */
extern struct plugin_file_info *claimed_files;
extern unsigned int num_claimed_files;
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